Stormwater Atlas

Ohio Department of Transportation (ODOT)

Location & Design Manual, Volume 2 — Drainage Design

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Heuristic agency extract from prepared text. ODOT Location & Design Manual Volume 2 Drainage Design (July 2022 archive PDF; live manual is web)

Other manuals in Ohio: City of Akron, City of Cincinnati, City of Cleveland, City of Columbus, City of Dayton, City of Toledo, City of Youngstown, Ohio

Document Metadata

Jurisdiction level
State

No evidence cited

State
Ohio

No evidence cited

Version / edition
July 2022

No evidence cited

Adoption / effective date
Not found in document

No evidence cited

Last revised date
Not found in document

No evidence cited

Relationship to state manual
independent

No evidence cited

Design Criteria

Design storm return periods (years)
2-year, 5-year, 10-year, 25-year, 50-year, 100-year, 500-year

“atory standard also referred to as the "100-year flood" or the “1% AEP flood.” The base flood is the national standard used by t”

Water quality volume method
Water Quality Volume WSE Water Surface Elevation Reference Documents AASHTO Model Drainage Manual (2005) AASHTO Drainage Manual Volume 1 - Policy (2014) Highway Hydrology (FHWA Hydraulic Design Series No

“Water Quality Volume WSE Water Surface Elevation Reference Documents AASHTO Model Drainage Manual (2005) AASHTO Drainage Manual Volume 1 - Policy (2014) Highway Hydrology (FHWA Hydraulic Design Series No”

Peak flow calculation method(s)
Rational Method, HEC-RAS, USGS regression equations

“and ground cover, which is used in the Rational formula to determine the amount of a rainfall which is directed to streams and”

Hydrologic/hydraulic software
HEC-RAS

No evidence cited

Approved BMP categories
Infiltration Basin, Extended Detention, Filter Strip, Detention Basin, Retention Basin

“Infiltration Basin, Extended Detention, Filter Strip, Detention Basin”